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RGNX · NASDAQ
$7.40+$0.25 (+3.50%)TodayMarket closed ·
Prev close $7.15
Who owns RGNX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 38.0% of RGNX’s shares.
- Redmile Group, LLC6.9%
- BlackRock Institutional Trust Company, N.A.6.9%
- State Street Investment Management (US)4.7%
- Fox (Allan Mark)4.6%
- Next 6 largest institutions14.9%
- All other shareholders62.0%
| Holder | Shares | % of shares |
|---|---|---|
| Redmile Group, LLC | 4.37M | 6.90% |
| BlackRock Institutional Trust Company, N.A. | 4.36M | 6.89% |
| State Street Investment Management (US) | 2.97M | 4.69% |
| Fox (Allan Mark) | 2.91M | 4.60% |
| Vanguard Capital Management, LLC | 2.11M | 3.33% |
| Morgan Stanley & Co. LLC | 1.63M | 2.57% |
| JP Morgan Asset Management | 1.51M | 2.39% |
| BlackRock Financial Management, Inc. | 1.44M | 2.28% |
| AQR Capital Management, LLC | 1.38M | 2.18% |
| Vanguard Portfolio Management, LLC | 1.36M | 2.14% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| State Street SPDR S&P Biotech ETF | 2.07M | 3.27% |
| Vanguard Total Stock Market Index Fund | 1.77M | 2.79% |
| JPMorgan Small Cap Growth Fund | 1.30M | 2.06% |
| iShares Russell 2000 ETF | 1.26M | 2.00% |
| Nuveen Quant Small-Cap Equity Fund | 617.97K | 0.98% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $949.38K (2 trades) and sold $886.94K (4 trades) of RGNX on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Malzahn Craig | Tax withholding | 234 | $2.18K |
| Chan Mitchell | Tax withholding | 4.90K | $45.69K |
| Ciongoli Gregory Austin | Buy | 53.41K | $499.68K |
| Ciongoli Gregory Austin | Buy | 49.20K | $449.71K |
| Ciongoli Gregory Austin | Award | 69.61K | — |
| Ciongoli Gregory Austin | Award | 15.43K | — |
| PAKOLA STEVE | Tax withholding | 7.47K | $72.36K |
| Christmas Patrick J. | Tax withholding | 4.70K | $45.53K |
| PAKOLA STEVE | Option exercise | 2.16K | — |
| PAKOLA STEVE | Sale | 2.16K | $29.48K |
Short interest
Settled Sep 30, 2026
- Shares short
- 9.61M
- Days to cover
- 5.99
- % of shares outstanding
- 15.18%
- Average daily volume
- 1.60M
- Change since last report
- +21.2%
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